Patents by Inventor E. William Francis

E. William Francis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vaginal speculum
    Patent number: 5072720
    Abstract: A vaginal speculum having padded surfaces on the patient contacting area of the blades thereof serving to minimize patient discomfort and shock immediately prior to and during gynecological examination and/or treatment. A smooth and essentially silent, cam action, mechanism is also provided for opening and locking the instrument in open position.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: December 17, 1991
    Inventors: Walter C. Francis, E. William Francis